Page:Popular Science Monthly Volume 90.djvu/100

 What's Next in Automobiles?

���A gas-engine piston-ring. It prevents the breakage of the member ends and provides a metal-to-metal seal which prevents gases working past the piston

���Above : Not merely a ham- mock but a warm.comfort- able bed for automobile campers. The seat cush- ions placed lengthwise be- tween the tops of the seats form the mattress

At left: A hydrant for motcr-busses. Drivers are supplied with disks which, when slipped into the slot, permit the hose to be at- tached and water drawn off

At right and below: A combination bumper and snow plow which en- ables automobiles to keep roads open in winter. Spiral springs allow for va- riation in the road surface. The plows are easily un- coupled from the bumper

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